package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 添加购物车
     *
     * @param shoppingCart
     */
    @Insert("INSERT INTO shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time)" +
            "VALUES (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{amount}, #{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 查看购物车
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 修改商品数量
     *
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 删除购物车的一个商品
     *
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);


    /**
     * 清空购物车
     *
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void clean(Long userId);


    void insertBatch(List<ShoppingCart> shoppingCartList);
}
